PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1A7652Seal,metallic,aircraft Gas Turbi

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-01-398-9639 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-01-398-9639 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-398-9639. Primary manufacturer part number: 1A7652.
Features
  • Seal,metallic,aircraft Gas Turbi — FSC 2840
  • 1 verified cross-reference
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,metallic,aircraft Gas Turbi, cataloged under National Stock Number 2840-01-398-9639, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal,metallic,aircraft Gas Turbi
FSC / FSG2840 — No Item Name Available (FSG 28)
ManufacturersRtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445)
Technical Specifications
ParameterValue
NSN2840-01-398-9639
Primary Part Number1A7652
Item NameSeal,metallic,aircraft Gas Turbi
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2940-00-532-353511734 INTERCHANGEABLE
Plate
Honeywell International Inc Dba Honeywell Div Consumer Products Group
Cross-Reference Index
Part NumberManufacturer
1A7652 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
2940-00-532-3535INTERCHANGEABLE
PLATE
11734

Frequently Asked Questions

What is NSN 2840-01-398-9639?

NSN 2840-01-398-9639 is a Seal,metallic,aircraft Gas Turbi, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-01-398-9639?

NSN 2840-01-398-9639 has 1 cross-referenced part number: 1A7652 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-01-398-9639?

There is 1 known substitute for 2840-01-398-9639: 2940-00-532-3535. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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